Finding the Fourth Proportional to 1,642,056,368.32, 2,463,063,999.12 and 398,497,132.48
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Solution
The fourth proportional to 1,642,056,368.32, 2,463,063,999.12 and 398,497,132.48 is: 597,740,710.79
Step by Step Solution
- Step 1: Write the proportion equation
1,642,056,368.32 : 2,463,063,999.12 = 398,497,132.48 : x - Step 2: Convert to fraction form
1,642,056,368.32/2,463,063,999.12 = 398,497,132.48/x - Step 3: Cross multiply
1,642,056,368.32x = 2,463,063,999.12 × 398,497,132.48 - Step 4: Simplify right side
1,642,056,368.32x = 981,523,940,764,041,216 - Step 5: Solve for x
x = 981,523,940,764,041,216/1,642,056,368.32 - Step 6: Final answer
x = 597,740,710.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.